[ 2200.665357][T26476] br0: port 1(dummy0) entered blocking state
[ 2200.665540][T26476] br0: port 1(dummy0) entered disabled state
[ 2200.665700][T26476] dummy0: entered allmulticast mode
[ 2200.666570][T26476] dummy0: entered promiscuous mode
[ 2200.691067][T26477] br0: port 1(dummy0) entered blocking state
[ 2200.691507][T26477] br0: port 1(dummy0) entered forwarding state
[ 2202.655795][   T12] dummy0: left allmulticast mode
[ 2202.656849][   T12] dummy0: left promiscuous mode
[ 2202.657073][   T12] br0: port 1(dummy0) entered disabled state